My opinion about BDCloud:Interesting service with nice design. Sign up bonus 1 BD/s equals $1 that's pretty big. Also this service has unique conception - your mining powers will simultaneously minie BTC and DOGE. Daily profit will be 0.5% in BTC and 0.5% in DOGE - 1% of investment daily in sum. I liked this service and invested $75. Will see how long it will work.